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19 Cards in this Set
- Front
- Back
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also called the cutis
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skin, aprox 3000 sp. inches of surface area
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calcitrol
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the skin synthesizes vitamin D which is converted by the kidneys into the hormone , calcitrol, which is essential for absoprtion of calcium and phosphorus by the small intestine
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papillary layer
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the upper 1/5th of the dermis, consists of loose CT contains dermal papillae, capillaries and Meissners corpuscles (light touch)
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reticular layer
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the lower 4/5ths of the dermis, contains collagen, reticular and elastic fibers, adipose, hair follicles , nerves, oil glands and ducts of sweat glands
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external root sheath
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a continuation of the stratum spinosum and basale
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internal root sheath
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formed from dividing cells of the matrix
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sebaceous oil glands
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via holocrine, secretes a waxy, oil secretion of lipids in to the hair follices or surface of the skin called -sebum, which contains trigylcerides, cholesterol, proteins and electrolytes. SIMPLE BRANCHED ALVEOLAR GLAND
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appocrine sweat glands
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axilla, pubic region and the areola of the breast, secretions are discharged by MYOEPITHELIAL CELLS which contract to discharge. bacteria-odorous byproducts. SIMPLE BRACHED TUBULAR GLAND
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merocrine (eccrine)
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aka sudoriferous sweat glands, soles and palms, cooling the body COILED TUBULAR GLAND
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mammary gland
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modified apocrine sweat gland
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ceruminous glands
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modified sweat glands, secrete cerumen-ear wax
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nail bed
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epidermis below the nail
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nail root
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the hidden base of the nail
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nail body
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main portion of the nail
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nail matrix
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base of the nail which is responsible for nail growth
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cuticle
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a portion of the stratum corneum which extends over the root of the nail, also called the eponychium
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lunula
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a which crescent at teh base of the cuticle
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nail groove
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the furrow at the junction of the nail fold and the nail bed
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free edge
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nail which extends beyond the digit. also called the hyponychium
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